Independent Certificates of Analysis aggregated from public lab results. Not affiliated with or paid by Hangzhou Mandy Biotechnology.
| Compound | CoAs | Avg purity | Latest |
|---|---|---|---|
| Tirzepatide | 13 | 98.99% | Jun 16, 2026 |
| Retatrutide | 13 | 99.65% | Jun 21, 2026 |
| GHK-Cu | 6 | 99.73% | Jun 15, 2026 |
| BPC-157 | 4 | 99.37% | Jun 16, 2026 |
| Compound | Batch | Purity | Lab | Tested | |
|---|---|---|---|---|---|
| Retatrutide | -- | 99.9% | Lab E | Jun 21, 2026 | verify |
| BPC-157 | -- | 99.4% | Lab E | Jun 16, 2026 | verify |
| Tirzepatide | -- | 99.7% | Lab G | Jun 16, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Jun 15, 2026 | verify |
| Tirzepatide | -- | -- | Lab G | May 27, 2026 | verify |
| Tirzepatide | -- | 99.7% | Lab G | May 24, 2026 | verify |
| Retatrutide | -- | 99.7% | Lab G | May 7, 2026 | verify |
| Retatrutide | -- | 99.5% | Lab G | Apr 29, 2026 | verify |
| Tirzepatide | -- | 99.6% | Lab E | Apr 27, 2026 | verify |
| Retatrutide | 889613558506 | 99.9% | Lab E | Apr 22, 2026 | verify |
| Tirzepatide | -- | 99.6% | Lab G | Mar 24, 2026 | verify |
| GHK-Cu | -- | 99.8% | Lab E | Mar 5, 2026 | verify |
| Retatrutide | -- | 99.9% | Lab E | Mar 5, 2026 | verify |
| Tirzepatide | -- | 98.31% | Lab E | Mar 3, 2026 | verify |
| BPC-157 | -- | 99.75% | Lab E | Mar 3, 2026 | verify |
| Tirzepatide | -- | 99.9% | Lab E | Mar 2, 2026 | verify |
| Retatrutide | -- | 99.28% | Lab E | Mar 2, 2026 | verify |
| Tirzepatide | -- | 93.01% | Lab E | Feb 25, 2026 | verify |
| Retatrutide | -- | 99.74% | Lab E | Feb 21, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Feb 19, 2026 | verify |
| GHK-Cu | -- | 99.9% | Lab E | Feb 19, 2026 | verify |
| Tirzepatide | -- | 99.8% | Lab E | Feb 12, 2026 | verify |
| BPC-157 | -- | 99.8% | Lab G | Feb 3, 2026 | verify |
| GHK-Cu | -- | 98.9% | Lab G | Feb 3, 2026 | verify |
| Retatrutide | -- | 99.8% | Lab G | Jan 21, 2026 | verify |
Showing 25 most recent of 36. Search the full database on the CoA page.
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<a href="https://ascendpeptide.org/coa/vendor/hangzhou-mandy-biotechnology/" rel="noopener"> <img src="https://ascendpeptide.org/coa/badge/hangzhou-mandy-biotechnology.svg" alt="Hangzhou Mandy Biotechnology: lab tested, 36 CoAs on file at ASCEND Peptide" width="230" height="54"> </a>
Data comes from publicly posted third-party lab certificates (Janoshik, MZ Biolabs, and others) and community submissions. Purity figures are as reported by the testing lab for the specific batch tested; they are not a guarantee of any other batch. For research and informational purposes only.